Guarantor Financial Information (Tables)

9 Months Ended

Dec. 31, 2016

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Balance Sheet

CONDENSED CONSOLIDATING BALANCE SHEET

	As of December 31, 2016
	Parent/Issuer		Subsidiary Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	3,117	$	590	$	—		$	3,707
Short-term investments	—		2,329		20		—			2,349
Accounts and notes receivable, net	195		1		1,235		(195		)	1,236
Device and accessory inventory	—		—		1,296		—			1,296
Prepaid expenses and other current assets	—		15		1,969		—			1,984
Total current assets	195		5,462		5,110		(195		)	10,572
Investments in subsidiaries	18,988		23,932		—		(42,920		)	—
Property, plant and equipment, net	—		—		19,333		—			19,333
Due from consolidated affiliate	25		13,125		—		(13,150		)	—
Note receivable from consolidated affiliate	10,390		575		—		(10,965		)	—
Intangible assets
Goodwill	—		—		6,579		—			6,579
FCC licenses and other	—		—		40,556		—			40,556
Definite-lived intangible assets, net	—		—		3,582		—			3,582
Other assets	—		103		570		—			673
Total assets	$	29,598	$	43,197	$	75,730	$	(67,230	)	$	81,295
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	—	$	—	$	2,894	$	—		$	2,894
Accrued expenses and other current liabilities	212		560		3,612		(195		)	4,189
Current portion of long-term debt, financing and capital lease obligations	—		2,583		3,971		—			6,554
Total current liabilities	212		3,143		10,477		(195		)	13,637
Long-term debt, financing and capital lease obligations	10,390		9,773		10,596		—			30,759
Deferred tax liabilities	—		—		14,238		—			14,238
Note payable due to consolidated affiliate	—		10,390		575		(10,965		)	—
Other liabilities	—		903		2,762		—			3,665
Due to consolidated affiliate	—		—		13,150		(13,150		)	—
Total liabilities	10,602		24,209		51,798		(24,310		)	62,299
Commitments and contingencies
Total stockholders' equity	18,996		18,988		23,932		(42,920		)	18,996
Total liabilities and stockholders' equity	$	29,598	$	43,197	$	75,730	$	(67,230	)	$	81,295

CONDENSED CONSOLIDATING BALANCE SHEET

	As of March 31, 2016
	Parent/Issuer		Subsidiary Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	2,154	$	487	$	—		$	2,641
Accounts and notes receivable, net	87		27		1,099		(114		)	1,099
Device and accessory inventory	—		—		1,173		—			1,173
Prepaid expenses and other current assets	—		12		1,908		—			1,920
Total current assets	87		2,193		4,667		(114		)	6,833
Investments in subsidiaries	19,783		23,129		—		(42,912		)	—
Property, plant and equipment, net	—		—		20,297		—			20,297
Due from consolidated affiliate	50		19,518		—		(19,568		)	—
Note receivable from consolidated affiliate	10,377		245		—		(10,622		)	—
Intangible assets
Goodwill	—		—		6,575		—			6,575
FCC licenses and other	—		—		40,073		—			40,073
Definite-lived intangible assets, net	—		—		4,469		—			4,469
Other assets	—		1,127		620		(1,019		)	728
Total assets	$	30,297	$	46,212	$	76,701	$	(74,235	)	$	78,975
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	—	$	—	$	2,899	$	—		$	2,899
Accrued expenses and other current liabilities	137		531		3,820		(114		)	4,374
Current portion of long-term debt, financing and capital lease obligations	—		3,065		1,625		—			4,690
Total current liabilities	137		3,596		8,344		(114		)	11,963
Long-term debt, financing and capital lease obligations	10,377		11,495		8,415		(1,019		)	29,268
Deferred tax liabilities	—		—		13,959		—			13,959
Note payable due to consolidated affiliate	—		10,377		245		(10,622		)	—
Other liabilities	—		961		3,041		—			4,002
Due to consolidated affiliate	—		—		19,568		(19,568		)	—
Total liabilities	10,514		26,429		53,572		(31,323		)	59,192
Commitments and contingencies
Total stockholders' equity	19,783		19,783		23,129		(42,912		)	19,783
Total liabilities and stockholders' equity	$	30,297	$	46,212	$	76,701	$	(74,235	)	$	78,975

Condensed Income Statement

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE (LOSS) INCOME

	For the Three Months Ended December 31, 2016
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	8,549		$	—		$	8,549
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			1,925			—			1,925
Cost of products (exclusive of depreciation and amortization included below)	—			—			1,985			—			1,985
Selling, general and administrative	—			—			2,080			—			2,080
Severance and exit costs	—			—			19			—			19
Depreciation	—			—			1,837			—			1,837
Amortization	—			—			255			—			255
Other, net	—			—			137			—			137
	—			—			8,238			—			8,238
Operating income	—			—			311			—			311
Other income (expense):
Interest income	198			43			4			(233		)	12
Interest expense	(198		)	(409		)	(245		)	233			(619		)
(Losses) earnings of subsidiaries	(479		)	(38		)	—			517			—
Other (expense) income, net	—			(75		)	3			—			(72		)
	(479		)	(479		)	(238		)	517			(679		)
(Loss) income before income taxes	(479		)	(479		)	73			517			(368		)
Income tax expense	—			—			(111		)	—			(111		)
Net (loss) income	(479		)	(479		)	(38		)	517			(479		)
Other comprehensive (loss) income	(5		)	(5		)	(4		)	9			(5		)
Comprehensive (loss) income	$	(484	)	$	(484	)	$	(42	)	$	526		$	(484	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE (LOSS) INCOME

	For the Three Months Ended December 31, 2015
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	8,107		$	—		$	8,107
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			2,348			—			2,348
Cost of products (exclusive of depreciation and amortization included below)	—			—			1,589			—			1,589
Selling, general and administrative	—			—			2,129			—			2,129
Severance and exit costs	—			—			209			—			209
Depreciation	—			—			1,549			—			1,549
Amortization	—			—			316			—			316
Other, net	—			—			164			—			164
	—			—			8,304			—			8,304
Operating loss	—			—			(197		)	—			(197		)
Other income (expense):
Interest income	198			39			2			(236		)	3
Interest expense	(198		)	(406		)	(178		)	236			(546		)
(Losses) earnings of subsidiaries	(838		)	(471		)	—			1,309			—
Other income, net	—			—			1			—			1
	(838		)	(838		)	(175		)	1,309			(542		)
(Loss) income before income taxes	(838		)	(838		)	(372		)	1,309			(739		)
Income tax benefit (expense)	2			—			(99		)	—			(97		)
Net (loss) income	(836		)	(838		)	(471		)	1,309			(836		)
Other comprehensive (loss) income	(7		)	(7		)	(4		)	11			(7		)
Comprehensive (loss) income	$	(843	)	$	(845	)	$	(475	)	$	1,320		$	(843	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE (LOSS) INCOME

	For the Nine Months Ended December 31, 2016
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	24,808		$	—		$	24,808
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			6,125			—			6,125
Cost of products (exclusive of depreciation and amortization included below)	—			—			5,097			—			5,097
Selling, general and administrative	—			—			5,992			—			5,992
Severance and exit costs	—			—			30			—			30
Depreciation	—			—			5,227			—			5,227
Amortization	—			—			813			—			813
Other, net	—			—			230			—			230
	—			—			23,514			—			23,514
Operating income	—			—			1,294			—			1,294
Other income (expense):
Interest income	593			105			13			(674		)	37
Interest expense	(593		)	(1,271		)	(674		)	674			(1,864		)
(Losses) earnings of subsidiaries	(923		)	320			—			603			—
Other expense, net	—			(77		)	(27		)	—			(104		)
	(923		)	(923		)	(688		)	603			(1,931		)
(Loss) income before income taxes	(923		)	(923		)	606			603			(637		)
Income tax expense	—			—			(286		)	—			(286		)
Net (loss) income	(923		)	(923		)	320			603			(923		)
Other comprehensive income (loss)	2			2			3			(5		)	2
Comprehensive (loss) income	$	(921	)	$	(921	)	$	323		$	598		$	(921	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE (LOSS) INCOME

	For the Nine Months Ended December 31, 2015
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	24,109		$	—		$	24,109
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			7,194			—			7,194
Cost of products (exclusive of depreciation and amortization included below)	—			—			4,244			—			4,244
Selling, general and administrative	—			—			6,540			—			6,540
Severance and exit costs	—			—			247			—			247
Depreciation	—			—			4,202			—			4,202
Amortization	—			—			994			—			994
Other, net	—			—			386			—			386
	—			—			23,807			—			23,807
Operating income	—			—			302			—			302
Other income (expense):
Interest income	593			118			3			(707		)	7
Interest expense	(593		)	(1,220		)	(524		)	707			(1,630		)
(Losses) earnings of subsidiaries	(1,443		)	(341		)	—			1,784			—
Other income, net	—			—			6			—			6
	(1,443		)	(1,443		)	(515		)	1,784			(1,617		)
(Loss) income before income taxes	(1,443		)	(1,443		)	(213		)	1,784			(1,315		)
Income tax benefit (expense)	2			—			(128		)	—			(126		)
Net (loss) income	(1,441		)	(1,443		)	(341		)	1,784			(1,441		)
Other comprehensive (loss) income	(11		)	(11		)	(6		)	17			(11		)
Comprehensive (loss) income	$	(1,452	)	$	(1,454	)	$	(347	)	$	1,801		$	(1,452	)

Condensed Cash Flow Statement

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

	For the Nine Months Ended December 31, 2016
	Parent/Issuer		Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Cash flows from operating activities:
Net cash (used in) provided by operating activities	$	—	$	(1,168	)	$	4,186		$	(118	)	$	2,900
Cash flows from investing activities:
Capital expenditures - network and other	—		—			(1,421		)	—			(1,421		)
Capital expenditures - leased devices	—		—			(1,530		)	—			(1,530		)
Expenditures relating to FCC licenses	—		—			(46		)	—			(46		)
Proceeds from sales and maturities of short-term investments	—		2,614			35			—			2,649
Purchases of short-term investments	—		(4,943		)	(55		)	—			(4,998		)
Change in amounts due from/due to consolidated affiliates	—		6,865			—			(6,865		)	—
Proceeds from sales of assets and FCC licenses	—		—			126			—			126
Intercompany note advance to consolidated affiliate	—		(392		)	—			392			—
Proceeds from intercompany note advance to consolidated affiliate	—		62			—			(62		)	—
Other, net	—		—			26			—			26
Net cash provided by (used in) investing activities	—		4,206			(2,865		)	(6,535		)	(5,194		)
Cash flows from financing activities:
Proceeds from debt and financings	—		—			6,830			—			6,830
Repayments of debt, financing and capital lease obligations	—		(2,000		)	(1,266		)	—			(3,266		)
Debt financing costs	—		(110		)	(162		)	—			(272		)
Intercompany dividends paid to parent	—		—			(118		)	118			—
Change in amounts due from/due to consolidated affiliates	—		—			(6,865		)	6,865			—
Intercompany note advance from parent	—		—			392			(392		)	—
Repayments of intercompany note advance from parent	—		—			(62		)	62			—
Other, net	—		35			33			—			68
Net cash (used in) provided by financing activities	—		(2,075		)	(1,218		)	6,653			3,360
Net increase in cash and cash equivalents	—		963			103			—			1,066
Cash and cash equivalents, beginning of period	—		2,154			487			—			2,641
Cash and cash equivalents, end of period	$	—	$	3,117		$	590		$	—		$	3,707

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

	For the Nine Months Ended December 31, 2015
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Cash flows from operating activities:
Net cash (used in) provided by operating activities	$	—		$	(1,029	)	$	3,800		$	(168	)	$	2,603
Cash flows from investing activities:
Capital expenditures - network and other	—			—			(3,958		)	—			(3,958		)
Capital expenditures - leased devices	—			—			(1,724		)	—			(1,724		)
Expenditures relating to FCC licenses	—			—			(75		)	—			(75		)
Proceeds from sales and maturities of short-term investments	—			317			60			—			377
Purchases of short-term investments	—			(197		)	(55		)	—			(252		)
Change in amounts due from/due to consolidated affiliates	1			(568		)	—			567			—
Proceeds from sales of assets and FCC licenses	—			—			36			—			36
Proceeds from sale-leaseback transaction	—			—			1,136			—			1,136
Intercompany note advance to consolidated affiliate	—			(159		)	—			159			—
Proceeds from intercompany note advance to consolidated affiliate	—			54			—			(54		)	—
Other, net	—			—			(25		)	—			(25		)
Net cash provided by (used in) investing activities	1			(553		)	(4,605		)	672			(4,485		)
Cash flows from financing activities:
Proceeds from debt and financings	—			250			505			—			755
Repayments of debt, financing and capital lease obligations	—			(500		)	(227		)	—			(727		)
Debt financing costs	(1		)	—			—			—			(1		)
Intercompany dividends paid to parent	—			—			(168		)	168			—
Change in amounts due from/due to consolidated affiliates	—			—			567			(567		)	—
Intercompany note advance from parent	—			—			159			(159		)	—
Repayments of intercompany not advance from parent	—			—			(54		)	54			—
Other, net	—			10			10			—			20
Net cash (used in) provided by financing activities	(1		)	(240		)	792			(504		)	47
Net decrease in cash and cash equivalents	—			(1,822		)	(13		)	—			(1,835		)
Cash and cash equivalents, beginning of period	—			3,492			518			—			4,010
Cash and cash equivalents, end of period	$	—		$	1,670		$	505		$	—		$	2,175